42
6. Maintenance
Guide
6.1. Trouble Shooting
When the UPS becomes faulty or malfunctions during operation, you may
check the fault lists below for respective solutions. Should the problem persists,
please contact your local dealer for assistance
.
Situation Check
Items
Solution
UPS Fault
LED
Read the error code (see
next page for error
readings) displayed by
the combinations of the
LEDs and verify the fault
as follow:
1.Er05,
2. Overload
3.Er11 (UPS Over
Temperature)
4.Site wiring/Ground fault
5.Er14 (Fans out of order)
6.Other error codes
1. Check battery connection if is
properly done. Measure Battery
voltage to ensure batteries are
charged or healthy. Recharge
batteries for
4 hours
if necessary.
Simulate Utility outage to verify if
UPS is able to provide DC back-
up. Otherwise consult your local
dealer right away.
2. Disconnect some non critical loads
form the UPS output until
overload ceases. Check if there is
any short circuit between cables
due to broken cable insulator.
Replace the cables in necessary.
3. Remove any objects obstructing
the ventilation louvers. Verify if
the cooling fans are working
properly. Contacts your local
dealer to replace the fans if
necessary.
4. Verify if the “L” & “N” phase of the
Utility AC source has been
wrongly wired or if the Ground-
Neutral Voltage exceeded the
limits
5. Verify if the ventilating fans are
functioning properly. Do not
attempt to replace the fans by
yourself. Contact your local dealer
for replacement.
6. Consult your local dealer for
assistance.
43
UPS fails to provide
battery backup or its
back up time is shorter
than its intended
performance.
If the backup time remains non-
satisfactory after 4 hours of
charging, please contact your
local dealer for battery
replacement.
UPS is normal but no
Output to load
Check if all power
codes are properly
connected.
If problem persist, consult your
local dealer for technical
assistance.
The UPS switches to
battery mode then
back to Utility mode,
when connected
device is turned on.
Or, the UPS
switches back and
forth between battery
and Utility.
1. if any power strip is
connected
to the UPS.
2. Verify if there is any
damage to the utility
Wall Receptacle or if
the cable cord plug is
faulty.
1. Do not use power strip.
2. Replace the wall
receptacle/cable cord plug.
Strange noise and
smell
Immediately shut down the
whole System. Disconnect the
power from the UPS and call for
service.
UPS is unable to
provide backup power
source
Check that the battery
connectors are fully engaged.
Allow the battery to recharge if
the batter is weak. If problem
persist after recharging, replace
the battery. If problem persist,
consult your local dealer for
technical assistance.